angular / angular/components

bug(Text field): cdkAutosizeMinRows and cdkAutosizeMaxRows not working

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#26,233 7 comments 15 reactions 0 assignees View on GitHub
area: cdk/text-field P3
Dominant language
TypeScript
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Description

### Is this a regression?

- [X] Yes, this behavior used to work in the previous version

### The previous version in which this bug was not present was

14.2.7

### Description

cdkAutosizeMinRows and cdkAutosizeMaxRows are not working properly.

### Reproduction

Steps to reproduce:
1. Go to https://material.angular.io/cdk/text-field/examples
2. In the "Auto-resizing textarea" example, type a few lines

### Expected Behavior

In the example, it should grow to 5 lines. I tested the example on stackblitz and changed the min/max values and the size doesn't respect those.

### Actual Behavior

In the example, after the 3rd one, the textarea stopped growing.
In stackblitz, there didn't seem to be any logic based on the value I was entering. There seems to be a hard stop at 6 lines, and it looks like it is 2 lines off (max of 5 shows 3 lines, max of6 shows 4 lines, ...).

### Environment

- Angular: 15.0.0
- CDK/Material: 15.0.2
- Browser(s): Chrome Version 108.0.5359.98 (Official Build) (64-bit)
- Operating System (e.g. Windows, macOS, Ubuntu): Windows 10

Contributor guide

Open the contributing guide

Research direction

Start with the CDK text-field examples at https://material.angular.io/cdk/text-field/examples and reproduce the issue in the “Auto-resizing textarea” example using the reported Angular 15.0.0 and CDK/Material 15.0.2 versions. Compare the configured cdkAutosizeMinRows and cdkAutosizeMaxRows with the textarea’s actual growth; done means the example respects both values.

Written by the indexing model from the issue text.

Assessment

Tech stack
angular, typescript
Domain
frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
48/100

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